1 Commits
v1.3.0 ... dev

Author SHA1 Message Date
195c4ab3ad Add insane ramblings 2024-07-01 20:08:23 +02:00
17 changed files with 514 additions and 3625 deletions

9
.gitignore vendored
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@@ -1,7 +1,2 @@
*.exe
*.exe
cln
cln.log
.qodo
*.log
*.out
main.exe

16
.vscode/launch.json vendored
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@@ -1,16 +0,0 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "Ereshor Workspace",
"type": "go",
"request": "launch",
"mode": "auto",
"program": "${workspaceFolder}",
"cwd": "C:\\Users\\Administrator\\Seafile\\Games-Ereshor"
}
]
}

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@@ -1,89 +0,0 @@
# synclib
A small Go tool for creating symbolic links
Created out of infuriating difficulty of creating symbolic links on windows
## Instruction Formats
The tool supports two formats for defining symbolic links:
### 1. CSV Format (Legacy)
Simple comma-separated values with the format: `<source>,<destination>[,force][,hard][,delete]`
For example:
```
source_path,target_path
source_path,target_path,true
source_path,target_path,true,true
source_path,target_path,true,true,true
```
Or with named flags:
```
source_path,target_path,force=true,hard=true,delete=true
source_path,target_path,f=true,h=true,d=true
```
### 2. YAML Format (Recommended)
A more readable format using YAML:
```yaml
links:
- source: ~/Documents/config.ini
target: ~/.config/app/config.ini
force: true
- source: ~/Pictures
target: ~/Documents/Pictures
hard: true
force: true
- source: ~/Scripts/script.sh
target: ~/bin/script.sh
delete: true
```
Alternatively, you can use an array directly:
```yaml
- source: ~/Documents/config.ini
target: ~/.config/app/config.ini
force: true
- source: ~/Pictures
target: ~/Documents/Pictures
hard: true
```
## Input Methods
The tool supports input of these instructions through:
- Stdin
- `echo "this,that" | sync`
- Run arguments
- `sync this,that foo,bar "foo 2","C:/bar"`
- Files
- `sync -f <file>` (CSV format)
- `sync -f <file.yaml>` or `sync -f <file.yml>` (YAML format)
- Where the file contains instructions, one per line for CSV or structured YAML
- Directories
- `sync -r <directory>`
- This mode will look for "sync", "sync.yaml", or "sync.yml" files recursively in directories and run their instructions
## Options
- `force: true` - Overwrite an existing symbolic link at the target location
- `hard: true` - Create a hard link instead of a symbolic link
- `delete: true` - Delete a non-symlink file at the target location (implies `force: true`)
## Use case
I have a lot of folders (documents, projects, configurations) backed up via Seafile and to have the software using those folders find them at their usual location I'm creating soft symbolic links from the seafile drive to their original location
It would be problematic to have to redo all (or some part) of these symlinks when reinstalling the OS or having something somewhere explode (say software uninstalled) so I have all the instructions in sync files in individual folders in the seafile drive
Which means I can easily back up my configuration and `sync -r ~/Seafile` to symlink it where it belongs

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@@ -1,2 +0,0 @@
GOOS=windows GOARCH=amd64 go build -o cln.exe .
GOOS=linux GOARCH=amd64 go build -o cln .

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@@ -1,99 +0,0 @@
package main
import (
"fmt"
"math/rand/v2"
)
const (
// Reset
Reset = "\033[0m" // Text Reset
// Regular Colors
Black = "\033[0;30m" // Black
Red = "\033[0;31m" // Red
Green = "\033[0;32m" // Green
Yellow = "\033[0;33m" // Yellow
Blue = "\033[0;34m" // Blue
Purple = "\033[0;35m" // Purple
Cyan = "\033[0;36m" // Cyan
White = "\033[0;37m" // White
// Bold
BBlack = "\033[1;30m" // Black
BRed = "\033[1;31m" // Red
BGreen = "\033[1;32m" // Green
BYellow = "\033[1;33m" // Yellow
BBlue = "\033[1;34m" // Blue
BPurple = "\033[1;35m" // Purple
BCyan = "\033[1;36m" // Cyan
BWhite = "\033[1;37m" // White
// Underline
UBlack = "\033[4;30m" // Black
URed = "\033[4;31m" // Red
UGreen = "\033[4;32m" // Green
UYellow = "\033[4;33m" // Yellow
UBlue = "\033[4;34m" // Blue
UPurple = "\033[4;35m" // Purple
UCyan = "\033[4;36m" // Cyan
UWhite = "\033[4;37m" // White
// Background
On_Black = "\033[40m" // Black
On_Red = "\033[41m" // Red
On_Green = "\033[42m" // Green
On_Yellow = "\033[43m" // Yellow
On_Blue = "\033[44m" // Blue
On_Purple = "\033[45m" // Purple
On_Cyan = "\033[46m" // Cyan
On_White = "\033[47m" // White
// High Intensty
IBlack = "\033[0;90m" // Black
IRed = "\033[0;91m" // Red
IGreen = "\033[0;92m" // Green
IYellow = "\033[0;93m" // Yellow
IBlue = "\033[0;94m" // Blue
IPurple = "\033[0;95m" // Purple
ICyan = "\033[0;96m" // Cyan
IWhite = "\033[0;97m" // White
// Bold High Intensty
BIBlack = "\033[1;90m" // Black
BIRed = "\033[1;91m" // Red
BIGreen = "\033[1;92m" // Green
BIYellow = "\033[1;93m" // Yellow
BIBlue = "\033[1;94m" // Blue
BIPurple = "\033[1;95m" // Purple
BICyan = "\033[1;96m" // Cyan
BIWhite = "\033[1;97m" // White
// High Intensty backgrounds
On_IBlack = "\033[0;100m" // Black
On_IRed = "\033[0;101m" // Red
On_IGreen = "\033[0;102m" // Green
On_IYellow = "\033[0;103m" // Yellow
On_IBlue = "\033[0;104m" // Blue
On_IPurple = "\033[10;95m" // Purple
On_ICyan = "\033[0;106m" // Cyan
On_IWhite = "\033[0;107m" // White
)
// The acceptable range is [16, 231] but here we remove some very dark colors
// That make text unreadable on a dark terminal
// See https://www.hackitu.de/termcolor256/
var colors = []int{22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 57, 62, 63, 64, 65, 67, 68, 69, 70, 71, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 148, 149, 150, 151, 152, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 184, 185, 186, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 226, 227, 228, 229, 230}
var colorsIndex int = -1
var shuffled bool
func GenerateRandomAnsiColor() string {
if !shuffled {
rand.Shuffle(len(colors), func(i int, j int) {
colors[i], colors[j] = colors[j], colors[i]
})
shuffled = true
}
colorsIndex++
return fmt.Sprintf("\033[1;4;38;5;%dm", colors[colorsIndex%len(colors)])
}

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@@ -1,2 +1 @@
GOOS=windows GOARCH=amd64 go build -o main.exe main && cp main.exe "/c/Program Files/Git/usr/bin/cln.exe"
GOOS=linux GOARCH=amd64 go build -o main_linux main
go build main && cp main.exe "/c/Program Files/Git/usr/bin/cln.exe"

14
go.mod
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@@ -1,15 +1,3 @@
module cln
module main
go 1.21.7
require gopkg.in/yaml.v3 v3.0.1
require (
github.com/bmatcuk/doublestar/v4 v4.8.1
github.com/stretchr/testify v1.11.1
)
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
)

12
go.sum
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@@ -1,12 +0,0 @@
github.com/bmatcuk/doublestar/v4 v4.8.1 h1:54Bopc5c2cAvhLRAzqOGCYHYyhcDHsFF4wWIR5wKP38=
github.com/bmatcuk/doublestar/v4 v4.8.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

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@@ -2,92 +2,24 @@ package main
import (
"fmt"
"log"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"github.com/bmatcuk/doublestar/v4"
"gopkg.in/yaml.v3"
)
type LinkInstruction struct {
Source string `yaml:"source"`
Target string `yaml:"target"`
Force bool `yaml:"force,omitempty"`
Hard bool `yaml:"hard,omitempty"`
Delete bool `yaml:"delete,omitempty"`
}
type YAMLConfig struct {
Links []LinkInstruction `yaml:"links"`
From []string `yaml:"from,omitempty"`
}
func (instruction *LinkInstruction) Tidy() {
instruction.Source = strings.ReplaceAll(instruction.Source, "\"", "")
instruction.Source = strings.ReplaceAll(instruction.Source, "\\", "/")
instruction.Source = strings.TrimSpace(instruction.Source)
instruction.Target = strings.ReplaceAll(instruction.Target, "\"", "")
instruction.Target = strings.ReplaceAll(instruction.Target, "\\", "/")
instruction.Target = strings.TrimSpace(instruction.Target)
Source string
Target string
Force bool
}
func (instruction *LinkInstruction) String() string {
var flags []string
if instruction.Force {
flags = append(flags, "force=true")
}
if instruction.Hard {
flags = append(flags, "hard=true")
}
if instruction.Delete {
flags = append(flags, "delete=true")
}
flagsStr := ""
if len(flags) > 0 {
flagsStr = " [" + strings.Join(flags, ", ") + "]"
}
return fmt.Sprintf("%s → %s%s",
FormatSourcePath(instruction.Source),
FormatTargetPath(instruction.Target),
flagsStr)
return fmt.Sprintf("%s%s%s%s%s%s%s%s%s", SourceColor, instruction.Source, DefaultColor, deliminer, TargetColor, instruction.Target, DefaultColor, deliminer, strconv.FormatBool(instruction.Force))
}
func (instruction *LinkInstruction) Undo() {
if !FileExists(instruction.Target) {
LogInfo("%s does not exist, skipping", FormatTargetPath(instruction.Target))
return
}
isSymlink, err := IsSymlink(instruction.Target)
if err != nil {
LogError("could not determine whether %s is a sym link or not, stopping; err: %v",
FormatTargetPath(instruction.Target), err)
return
}
if isSymlink {
LogInfo("Removing symlink at %s", FormatTargetPath(instruction.Target))
err = os.Remove(instruction.Target)
if err != nil {
LogError("could not remove symlink at %s; err: %v",
FormatTargetPath(instruction.Target), err)
}
LogSuccess("Removed symlink at %s", FormatTargetPath(instruction.Target))
} else {
LogInfo("%s is not a symlink, skipping", FormatTargetPath(instruction.Target))
}
}
func ParseInstruction(line, workdir string) (LinkInstruction, error) {
line = strings.TrimSpace(line)
if strings.HasPrefix(line, "#") {
return LinkInstruction{}, fmt.Errorf("comment line")
}
func ParseInstruction(line string) (LinkInstruction, error) {
parts := strings.Split(line, deliminer)
instruction := LinkInstruction{}
@@ -95,86 +27,72 @@ func ParseInstruction(line, workdir string) (LinkInstruction, error) {
return instruction, fmt.Errorf("invalid format - not enough parameters (must have at least source and target)")
}
instruction.Source = strings.TrimSpace(parts[0])
instruction.Target = strings.TrimSpace(parts[1])
for i := 2; i < len(parts); i++ {
flagPart := strings.TrimSpace(parts[i])
// Support for legacy format (backward compatibility)
if !strings.Contains(flagPart, "=") {
// Legacy format: positional boolean flags
switch i {
case 2: // Force flag (3rd position)
instruction.Force = isTrue(flagPart)
case 3: // Hard flag (4th position)
instruction.Hard = isTrue(flagPart)
case 4: // Delete flag (5th position)
instruction.Delete = isTrue(flagPart)
if instruction.Delete {
instruction.Force = true // Delete implies Force
}
}
continue
instruction.Source = parts[0]
instruction.Target = parts[1]
instruction.Force = false
if len(parts) > 2 {
res, _ := regexp.MatchString("^(?i)T|TRUE$", parts[2])
instruction.Force = res
}
// New format: named flags (name=value)
nameValue := strings.SplitN(flagPart, "=", 2)
if len(nameValue) != 2 {
// Skip malformed flags
continue
}
flagName := strings.ToLower(strings.TrimSpace(nameValue[0]))
flagValue := strings.TrimSpace(nameValue[1])
switch flagName {
case "force", "f":
instruction.Force = isTrue(flagValue)
case "hard", "h":
instruction.Hard = isTrue(flagValue)
case "delete", "d":
instruction.Delete = isTrue(flagValue)
if instruction.Delete {
instruction.Force = true // Delete implies Force
}
}
}
instruction.Tidy()
instruction.Source, _ = ConvertHome(instruction.Source)
instruction.Target, _ = ConvertHome(instruction.Target)
instruction.Source = NormalizePath(instruction.Source, workdir)
instruction.Target = NormalizePath(instruction.Target, workdir)
instruction.Source = NormalizePath(instruction.Source)
instruction.Target = NormalizePath(instruction.Target)
return instruction, nil
}
func isTrue(value string) bool {
value = strings.ToLower(strings.TrimSpace(value))
return value == "true" || value == "t" || value == "yes" || value == "y" || value == "1"
func (instruction *LinkInstruction) RunSync() error {
if !FileExists(instruction.Source) {
return fmt.Errorf("instruction source %s%s%s does not exist", SourceColor, instruction.Source, DefaultColor)
}
if AreSame(instruction.Source, instruction.Target) {
log.Printf("Source %s%s%s and target %s%s%s are the same, %snothing to do...%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor, PathColor, DefaultColor)
return nil
}
if FileExists(instruction.Target) {
if instruction.Force {
isSymlink, err := IsSymlink(instruction.Target)
if err != nil {
return fmt.Errorf("could not determine whether %s%s%s is a sym link or not, stopping; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
}
if isSymlink {
log.Printf("Removing symlink at %s%s%s", TargetColor, instruction.Target, DefaultColor)
err = os.Remove(instruction.Target)
if err != nil {
return fmt.Errorf("failed deleting %s%s%s due to %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
}
} else {
return fmt.Errorf("refusing to delte actual (non symlink) file %s%s%s", TargetColor, instruction.Target, DefaultColor)
}
} else {
return fmt.Errorf("target %s%s%s exists - handle manually or set the 'forced' flag (3rd field)", TargetColor, instruction.Target, DefaultColor)
}
}
err := os.Symlink(instruction.Source, instruction.Target)
if err != nil {
return fmt.Errorf("failed creating symlink between %s%s%s and %s%s%s with error %s%+v%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
}
log.Printf("Created symlink between %s%s%s and %s%s%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor)
return nil
}
func (instruction *LinkInstruction) RunAsync(status chan (error)) {
defer close(status)
if undo {
instruction.Undo()
return
}
if !FileExists(instruction.Source) {
status <- fmt.Errorf("instruction source %s does not exist", FormatSourcePath(instruction.Source))
status <- fmt.Errorf("instruction source %s%s%s does not exist", SourceColor, instruction.Source, DefaultColor)
return
}
if !instruction.Force && AreSame(instruction.Source, instruction.Target) {
//status <- fmt.Errorf("source %s and target %s are the same, nothing to do...",
// FormatSourcePath(instruction.Source),
// FormatTargetPath(instruction.Target))
LogInfo("Source %s and target %s are the same, nothing to do...",
FormatSourcePath(instruction.Source),
FormatTargetPath(instruction.Target))
if AreSame(instruction.Source, instruction.Target) {
status <- fmt.Errorf("source %s%s%s and target %s%s%s are the same, %snothing to do...%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor, PathColor, DefaultColor)
return
}
@@ -182,269 +100,33 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
if instruction.Force {
isSymlink, err := IsSymlink(instruction.Target)
if err != nil {
status <- fmt.Errorf("could not determine whether %s is a sym link or not, stopping; err: %v",
FormatTargetPath(instruction.Target), err)
status <- fmt.Errorf("could not determine whether %s%s%s is a sym link or not, stopping; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
return
}
if instruction.Hard {
info, err := os.Stat(instruction.Target)
if err != nil {
status <- fmt.Errorf("could not stat %s, stopping; err: %v",
FormatTargetPath(instruction.Target), err)
return
}
if info.Mode().IsRegular() && info.Name() == filepath.Base(instruction.Source) {
LogTarget("Overwriting existing file %s", instruction.Target)
err := os.Remove(instruction.Target)
if err != nil {
status <- fmt.Errorf("could not remove existing file %s; err: %v",
FormatTargetPath(instruction.Target), err)
return
}
}
}
if isSymlink {
LogTarget("Removing symlink at %s", instruction.Target)
log.Printf("Removing symlink at %s%s%s", TargetColor, instruction.Target, DefaultColor)
err = os.Remove(instruction.Target)
if err != nil {
status <- fmt.Errorf("failed deleting %s due to %v",
FormatTargetPath(instruction.Target), err)
status <- fmt.Errorf("failed deleting %s%s%s due to %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
return
}
} else {
if !instruction.Delete {
status <- fmt.Errorf("refusing to delte actual (non symlink) file %s",
FormatTargetPath(instruction.Target))
status <- fmt.Errorf("refusing to delte actual (non symlink) file %s%s%s", TargetColor, instruction.Target, DefaultColor)
return
}
LogImportant("Deleting (!!!) %s", instruction.Target)
err = os.RemoveAll(instruction.Target)
if err != nil {
status <- fmt.Errorf("failed deleting %s due to %v",
FormatTargetPath(instruction.Target), err)
return
}
}
} else {
status <- fmt.Errorf("target %s exists - handle manually or set the 'forced' flag (3rd field)",
FormatTargetPath(instruction.Target))
status <- fmt.Errorf("target %s%s%s exists - handle manually or set the 'forced' flag (3rd field)", TargetColor, instruction.Target, DefaultColor)
return
}
}
targetDir := filepath.Dir(instruction.Target)
if _, err := os.Stat(targetDir); os.IsNotExist(err) {
err = os.MkdirAll(targetDir, 0755)
err := os.Symlink(instruction.Source, instruction.Target)
if err != nil {
status <- fmt.Errorf("failed creating directory %s due to %v",
FormatTargetPath(targetDir), err)
status <- fmt.Errorf("failed creating symlink between %s%s%s and %s%s%s with error %s%+v%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor)
return
}
}
var err error
if instruction.Hard {
err = os.Link(instruction.Source, instruction.Target)
} else {
err = os.Symlink(instruction.Source, instruction.Target)
}
if err != nil {
status <- fmt.Errorf("failed creating symlink between %s and %s with error %v",
FormatSourcePath(instruction.Source),
FormatTargetPath(instruction.Target),
err)
return
}
LogSuccess("Created symlink between %s and %s",
FormatSourcePath(instruction.Source),
FormatTargetPath(instruction.Target))
log.Printf("Created symlink between %s%s%s and %s%s%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor)
status <- nil
}
func ParseYAMLFile(filename, workdir string) ([]LinkInstruction, error) {
data, err := os.ReadFile(filename)
if err != nil {
return nil, fmt.Errorf("error reading YAML file: %w", err)
}
// First try to parse as a list of link instructions
var config YAMLConfig
err = yaml.Unmarshal(data, &config)
if err != nil || len(config.Links) == 0 {
// If that fails, try parsing as a direct list of instructions
var instructions []LinkInstruction
err = yaml.Unmarshal(data, &instructions)
if err != nil {
return nil, fmt.Errorf("error parsing YAML: %w", err)
}
config.Links = instructions
}
expanded := []LinkInstruction{}
for _, link := range config.Links {
LogSource("Expanding pattern source %s in YAML file %s", link.Source, filename)
newlinks, err := ExpandPattern(link.Source, workdir, link.Target)
if err != nil {
return nil, fmt.Errorf("error expanding pattern: %w", err)
}
// "Clone" the original link instruction for each expanded link
for i := range newlinks {
newlinks[i].Delete = link.Delete
newlinks[i].Hard = link.Hard
newlinks[i].Force = link.Force
}
LogInfo("Expanded pattern %s in YAML file %s to %d links",
FormatSourcePath(link.Source), FormatSourcePath(filename), len(newlinks))
expanded = append(expanded, newlinks...)
}
for i := range expanded {
link := &expanded[i]
link.Tidy()
link.Source, _ = ConvertHome(link.Source)
link.Target, _ = ConvertHome(link.Target)
link.Source = NormalizePath(link.Source, workdir)
link.Target = NormalizePath(link.Target, workdir)
// If Delete is true, Force must also be true
if link.Delete {
link.Force = true
}
}
return expanded, nil
}
// ParseYAMLFileRecursive parses a YAML file and recursively processes any "From" references
func ParseYAMLFileRecursive(filename, workdir string) ([]LinkInstruction, error) {
visited := make(map[string]bool)
return parseYAMLFileRecursive(filename, workdir, visited)
}
// parseYAMLFileRecursive is the internal recursive function that tracks visited files to prevent cycles
func parseYAMLFileRecursive(filename, workdir string, visited map[string]bool) ([]LinkInstruction, error) {
// Normalize the filename to prevent cycles with different path representations
normalizedFilename, err := filepath.Abs(filename)
if err != nil {
return nil, fmt.Errorf("error normalizing filename: %w", err)
}
// Check for cycles
if visited[normalizedFilename] {
return nil, fmt.Errorf("circular reference detected: %s", filename)
}
visited[normalizedFilename] = true
defer delete(visited, normalizedFilename)
// Parse the current file
instructions, err := ParseYAMLFile(filename, workdir)
if err != nil {
return nil, err
}
// Read the file to check for "From" references
data, err := os.ReadFile(filename)
if err != nil {
return nil, fmt.Errorf("error reading YAML file: %w", err)
}
var config YAMLConfig
err = yaml.Unmarshal(data, &config)
if err != nil {
// If parsing as YAMLConfig fails, there are no "From" references to process
return instructions, nil
}
// Process "From" references
for _, fromFile := range config.From {
// Convert relative paths to absolute paths based on the current file's directory
fromPath := fromFile
if !filepath.IsAbs(fromPath) {
currentDir := filepath.Dir(filename)
fromPath = filepath.Join(currentDir, fromPath)
}
// Normalize the path
fromPath = filepath.Clean(fromPath)
// Recursively parse the referenced file
// Use the directory of the referenced file as the workdir for pattern expansion
fromWorkdir := filepath.Dir(fromPath)
fromInstructions, err := parseYAMLFileRecursive(fromPath, fromWorkdir, visited)
if err != nil {
return nil, fmt.Errorf("error parsing referenced file %s: %w", fromFile, err)
}
// Append the instructions from the referenced file
instructions = append(instructions, fromInstructions...)
}
return instructions, nil
}
func ExpandPattern(source, workdir, target string) (links []LinkInstruction, err error) {
static, pattern := doublestar.SplitPattern(source)
if static == "" || static == "." {
static = workdir
}
LogInfo("Static part: %s", static)
LogInfo("Pattern part: %s", pattern)
files, err := doublestar.Glob(os.DirFS(static), pattern)
if err != nil {
return nil, fmt.Errorf("error expanding pattern: %w", err)
}
targetIsFile := false
if info, err := os.Stat(target); err == nil && !info.IsDir() {
targetIsFile = true
}
for _, file := range files {
if len(files) == 1 {
// Special case: if there is only one file
// This should only ever happen if our source is a path (and not a glob!)
// And our target is a path
// ...but it will also happen if the source IS a glob and it happens to match ONE file
// I think that should happen rarely enough to not be an issue...
links = append(links, LinkInstruction{
Source: filepath.Join(static, file),
Target: target,
})
continue
}
if info, err := os.Stat(file); err == nil && info.IsDir() {
// We don't care about matched directories
// We want files within them
LogInfo("Skipping directory %s", file)
continue
}
var targetPath string
if targetIsFile && len(files) == 1 {
// Special case: target is a file, and glob matches exactly one file.
// Use target directly (don't append filename).
targetPath = target
} else {
// Default: append filename to target dir.
targetPath = filepath.Join(target, file)
}
links = append(links, LinkInstruction{
Source: filepath.Join(static, file),
Target: targetPath,
})
}
LogInfo("Expanded pattern %s to %d links", FormatSourcePath(source), len(links))
return
}
func IsYAMLFile(filename string) bool {
ext := strings.ToLower(filepath.Ext(filename))
return ext == ".yaml" || ext == ".yml"
}

File diff suppressed because it is too large Load Diff

View File

@@ -1,99 +0,0 @@
package main
import (
"fmt"
"log"
)
// Message type prefixes
const (
InfoPrefix = "INFO"
ErrorPrefix = "ERROR"
WarningPrefix = "WARN"
SourcePrefix = "SOURCE"
TargetPrefix = "TARGET"
PathPrefix = "PATH"
ImportantPrefix = "IMPORTANT"
SuccessPrefix = "DONE"
)
// LogInfo logs an informational message
func LogInfo(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...)
log.Printf("%s[%s]%s %s", BGreen, InfoPrefix, Reset, message)
}
// LogSuccess logs a success message
func LogSuccess(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...)
log.Printf("%s%s[%s]%s %s", BBlue, On_Blue, SuccessPrefix, Reset, message)
}
// LogSource logs a message about a source file/path with proper coloring
func LogSource(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...)
log.Printf("%s[%s]%s %s%s%s", BPurple, SourcePrefix, Reset, SourceColor, message, Reset)
}
// LogTarget logs a message about a target file/path with proper coloring
func LogTarget(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...)
log.Printf("%s[%s]%s %s%s%s", BYellow, TargetPrefix, Reset, TargetColor, message, Reset)
}
// LogPath logs a message about a path with proper coloring
func LogPath(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...)
log.Printf("%s[%s]%s %s%s%s", BGreen, PathPrefix, Reset, PathColor, message, Reset)
}
// LogImportant logs a message that needs attention with proper coloring
func LogImportant(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...)
log.Printf("%s[%s]%s %s%s%s", BRed, ImportantPrefix, Reset, ImportantColor, message, Reset)
}
// LogError logs an error message with proper coloring that won't be cut off
func LogError(format string, args ...interface{}) {
// Format the message first with normal text (no red coloring)
message := fmt.Sprintf(format, args...)
// The Error prefix itself is bold red on a light background for maximum visibility
prefix := fmt.Sprintf("%s%s[%s]%s ", BRed, On_White, ErrorPrefix, Reset)
// The message is in default color (no red), only the [ERROR] prefix is colored
log.Printf("%s%s", prefix, message)
}
// FormatSourcePath returns a source path with proper coloring
func FormatSourcePath(path string) string {
return fmt.Sprintf("%s%s%s", SourceColor, path, Reset)
}
// FormatTargetPath returns a target path with proper coloring
func FormatTargetPath(path string) string {
return fmt.Sprintf("%s%s%s", TargetColor, path, Reset)
}
// FormatPathValue returns a path with proper coloring
func FormatPathValue(path string) string {
return fmt.Sprintf("%s%s%s", PathColor, path, Reset)
}
// FormatErrorValue returns an error value without any additional formatting
// Since error messages are no longer red, we don't need special formatting
func FormatErrorValue(err error) string {
if err == nil {
return ""
}
// Just return the error string with no color formatting
return fmt.Sprintf("%v", err)
}
// FormatErrorMessage formats an error message with no additional color formatting,
// while preserving the special formatting of embedded source/target/path elements.
func FormatErrorMessage(format string, args ...interface{}) string {
// This just formats the message with no additional color formatting
// The path formatting will still be preserved
return fmt.Sprintf(format, args...)
}

297
main.go
View File

@@ -6,55 +6,43 @@ import (
"io"
"log"
"os"
"path/filepath"
"regexp"
"sync"
"sync/atomic"
)
const deliminer = ","
const SourceColor = Purple
const (
Black = "\033[30m"
Red = "\033[31m"
Green = "\033[32m"
Yellow = "\033[33m"
Blue = "\033[34m"
Magenta = "\033[35m"
Cyan = "\033[36m"
White = "\033[37m"
)
const SourceColor = Magenta
const TargetColor = Yellow
const ErrorColor = Red
const ImportantColor = BRed
const DefaultColor = Reset
const DefaultColor = White
const PathColor = Green
var DirRegex, _ = regexp.Compile(`^(.+?)[/\\]sync$`)
var FileRegex, _ = regexp.Compile(`^sync$`)
var programName = os.Args[0]
var undo = false
func main() {
recurse := flag.String("r", "", "recurse into directories")
file := flag.String("f", "", "file to read instructions from")
debug := flag.Bool("d", false, "debug")
undoF := flag.Bool("u", false, "undo")
flag.Parse()
undo = *undoF
setupLogging(*debug)
instructions := make(chan *LinkInstruction, 1000)
status := make(chan error)
startInputSource(*recurse, *file, instructions, status)
go handleStatusErrors(status)
instructionsDone := processInstructions(instructions)
if instructionsDone == 0 {
LogInfo("No instructions were processed")
os.Exit(1)
}
LogInfo("All done")
}
// setupLogging configures logging based on debug flag
func setupLogging(debug bool) {
if debug {
if *debug {
log.SetFlags(log.Lmicroseconds | log.Lshortfile)
logFile, err := os.Create(programName + ".log")
logFile, err := os.Create("main.log")
if err != nil {
LogError("Error creating log file: %v", err)
log.Printf("Error creating log file: %v", err)
os.Exit(1)
}
logger := io.MultiWriter(os.Stdout, logFile)
@@ -62,196 +50,132 @@ func setupLogging(debug bool) {
} else {
log.SetFlags(log.Lmicroseconds)
}
}
// startInputSource determines and starts the appropriate input source
func startInputSource(recurse, file string, instructions chan *LinkInstruction, status chan error) {
// Check input sources in priority order
switch {
case recurse != "":
LogInfo("Recurse: %s", recurse)
go ReadFromFilesRecursively(recurse, instructions, status)
log.Printf("Recurse: %s", *recurse)
log.Printf("File: %s", *file)
case file != "":
LogInfo("File: %s", file)
go ReadFromFile(file, instructions, status, true)
case len(flag.Args()) > 0:
LogInfo("Reading from command line arguments")
instructions := make(chan LinkInstruction, 1000)
status := make(chan error)
if *recurse != "" {
go ReadFromFilesRecursively(*recurse, instructions, status)
} else if *file != "" {
go ReadFromFile(*file, instructions, status, true)
} else if len(os.Args) > 1 {
go ReadFromArgs(instructions, status)
// case IsPipeInput():
// LogInfo("Reading from stdin pipe")
// go ReadFromStdin(instructions, status)
default:
startDefaultInputSource(instructions, status)
}
}
// startDefaultInputSource tries to find default sync files
func startDefaultInputSource(instructions chan *LinkInstruction, status chan error) {
if _, err := os.Stat("sync"); err == nil {
LogInfo("Using default sync file")
go ReadFromFile("sync", instructions, status, true)
} else if _, err := os.Stat("sync.yaml"); err == nil {
LogInfo("Using default sync.yaml file")
go ReadFromFile("sync.yaml", instructions, status, true)
} else if _, err := os.Stat("sync.yml"); err == nil {
LogInfo("Using default sync.yml file")
go ReadFromFile("sync.yml", instructions, status, true)
} else {
showUsageAndExit()
go ReadFromStdin(instructions, status)
}
}
// showUsageAndExit displays usage information and exits
func showUsageAndExit() {
LogInfo("No input provided")
LogInfo("Provide input as: ")
LogInfo("Arguments - %s <source>,<target>,<force?>", programName)
LogInfo("File - %s -f <file>", programName)
LogInfo("YAML File - %s -f <file.yaml>", programName)
LogInfo("Folder (finding sync files in folder recursively) - %s -r <folder>", programName)
LogInfo("stdin - (cat <file> | %s)", programName)
os.Exit(1)
}
// handleStatusErrors processes status channel errors
func handleStatusErrors(status chan error) {
go func() {
for {
err, ok := <-status
if !ok {
break
}
if err != nil {
LogError("%v", err)
log.Println(err)
}
}
}
}()
// processInstructions processes all instructions from the channel
func processInstructions(instructions chan *LinkInstruction) int32 {
var instructionsDone int32 = 0
var instructionsDone int32
var wg sync.WaitGroup
for {
instruction, ok := <-instructions
if !ok {
LogInfo("No more instructions to process")
log.Printf("No more instructions to process")
break
}
LogInfo("Processing: %s", instruction.String())
log.Printf("Processing: %s", instruction.String())
status := make(chan error)
go instruction.RunAsync(status)
wg.Add(1)
err := <-status
if err != nil {
LogError("Failed processing instruction: %v", err)
log.Printf("Failed parsing instruction %s%s%s due to %s%+v%s", SourceColor, instruction.String(), DefaultColor, ErrorColor, err, DefaultColor)
}
atomic.AddInt32(&instructionsDone, 1)
wg.Done()
}
wg.Wait()
return instructionsDone
}
func IsPipeInput() bool {
info, err := os.Stdin.Stat()
if err != nil {
return false
log.Println("All done")
if instructionsDone == 0 {
log.Printf("No input provided")
log.Printf("Provide input as: ")
log.Printf("Arguments - %s <source>,<target>,<force?>", programName)
log.Printf("File - %s -f <file>", programName)
log.Printf("Folder (finding sync files in folder recursively) - %s -r <folder>", programName)
log.Printf("stdin - (cat <file> | %s)", programName)
os.Exit(1)
}
return info.Mode()&os.ModeNamedPipe != 0
}
func ReadFromFilesRecursively(input string, output chan *LinkInstruction, status chan error) {
func ReadFromFilesRecursively(input string, output chan LinkInstruction, status chan error) {
defer close(output)
defer close(status)
workdir, _ := os.Getwd()
input = NormalizePath(input, workdir)
LogInfo("Reading input from files recursively starting in %s", FormatPathValue(input))
input = NormalizePath(input)
log.Printf("Reading input from files recursively starting in %s%s%s", PathColor, input, DefaultColor)
files := make(chan string, 128)
fileStatus := make(chan error)
go GetSyncFilesRecursively(input, files, fileStatus)
// Collect all files first
var syncFiles []string
recurseStatus := make(chan error)
go GetSyncFilesRecursively(input, files, recurseStatus)
go func() {
for {
file, ok := <-files
if !ok {
break
}
syncFiles = append(syncFiles, file)
}
// Check for errors from file search
for {
err, ok := <-fileStatus
err, ok := <-recurseStatus
if !ok {
break
}
if err != nil {
LogError("Failed to get sync files recursively: %v", err)
log.Printf("Failed to get sync files recursively: %s%+v%s", ErrorColor, err, DefaultColor)
status <- err
}
}
}()
// Process each file
for _, file := range syncFiles {
file = NormalizePath(file, workdir)
LogInfo("Processing file: %s", FormatPathValue(file))
var wg sync.WaitGroup
for {
file, ok := <-files
if !ok {
log.Printf("No more files to process")
break
}
wg.Add(1)
go func() {
defer wg.Done()
log.Println(file)
file = NormalizePath(file)
log.Printf("Processing file: %s%s%s", PathColor, file, DefaultColor)
// Change to the directory containing the sync file
fileDir := filepath.Dir(file)
originalDir, _ := os.Getwd()
err := os.Chdir(fileDir)
// This "has" to be done because instructions are resolved in relation to cwd
fileDir := DirRegex.FindStringSubmatch(file)
if fileDir == nil {
log.Printf("Failed to extract directory from %s%s%s", SourceColor, file, DefaultColor)
return
}
log.Printf("Changing directory to %s%s%s (for %s%s%s)", PathColor, fileDir[1], DefaultColor, PathColor, file, DefaultColor)
err := os.Chdir(fileDir[1])
if err != nil {
LogError("Failed to change directory to %s: %v", FormatSourcePath(fileDir), err)
continue
log.Printf("Failed to change directory to %s%s%s: %s%+v%s", SourceColor, fileDir[1], DefaultColor, ErrorColor, err, DefaultColor)
return
}
// Read and process the file
ReadFromFile(file, output, status, false)
// Return to original directory
os.Chdir(originalDir)
}()
}
wg.Wait()
}
func ReadFromFile(input string, output chan *LinkInstruction, status chan error, doclose bool) {
func ReadFromFile(input string, output chan LinkInstruction, status chan error, doclose bool) {
if doclose {
defer close(output)
defer close(status)
}
input = NormalizePath(input, filepath.Dir(input))
LogInfo("Reading input from file: %s", FormatPathValue(input))
// Check if this is a YAML file
if IsYAMLFile(input) {
LogInfo("Parsing as YAML file")
instructions, err := ParseYAMLFileRecursive(input, filepath.Dir(input))
if err != nil {
LogError("Failed to parse YAML file %s: %v",
FormatSourcePath(input), err)
status <- err
return
}
for _, instruction := range instructions {
instr := instruction // Create a copy to avoid reference issues
LogInfo("Read YAML instruction: %s", instr.String())
output <- &instr
}
return
}
// Handle CSV format (legacy)
input = NormalizePath(input)
log.Printf("Reading input from file: %s%s%s", PathColor, input, DefaultColor)
file, err := os.Open(input)
if err != nil {
log.Fatalf("Failed to open file %s%s%s: %s%+v%s",
SourceColor, input, DefaultColor, ErrorColor, err, DefaultColor)
log.Fatalf("Failed to open file %s%s%s: %s%+v%s", SourceColor, input, DefaultColor, ErrorColor, err, DefaultColor)
return
}
defer file.Close()
@@ -259,53 +183,56 @@ func ReadFromFile(input string, output chan *LinkInstruction, status chan error,
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := scanner.Text()
instruction, err := ParseInstruction(line, filepath.Dir(input))
instruction, err := ParseInstruction(line)
if err != nil {
log.Printf("Error parsing line: %s'%s'%s, error: %s%+v%s",
SourceColor, line, DefaultColor, ErrorColor, err, DefaultColor)
log.Printf("Error parsing line: %s'%s'%s, error: %s%+v%s", SourceColor, line, DefaultColor, ErrorColor, err, DefaultColor)
continue
}
log.Printf("Read instruction: %s", instruction.String())
output <- &instruction
output <- instruction
}
}
func ReadFromArgs(output chan *LinkInstruction, status chan error) {
func ReadFromArgs(output chan LinkInstruction, status chan error) {
defer close(output)
defer close(status)
workdir, _ := os.Getwd()
LogInfo("Reading input from args")
for _, arg := range flag.Args() {
instruction, err := ParseInstruction(arg, workdir)
log.Printf("Reading input from args")
for _, arg := range os.Args[1:] {
instruction, err := ParseInstruction(arg)
if err != nil {
LogError("Error parsing arg '%s': %v", arg, err)
log.Printf("Error parsing arg: %s'%s'%s, error: %s%+v%s", SourceColor, arg, DefaultColor, ErrorColor, err, DefaultColor)
continue
}
output <- &instruction
output <- instruction
}
}
func ReadFromStdin(output chan *LinkInstruction, status chan error) {
func ReadFromStdin(output chan LinkInstruction, status chan error) {
defer close(output)
defer close(status)
workdir, _ := os.Getwd()
LogInfo("Reading input from stdin")
log.Printf("Reading input from stdin")
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
line := scanner.Text()
instruction, err := ParseInstruction(line, workdir)
info, err := os.Stdin.Stat()
if err != nil {
LogError("Error parsing line '%s': %v", line, err)
continue
}
output <- &instruction
}
if err := scanner.Err(); err != nil {
LogError("Error reading from stdin: %v", err)
log.Fatalf("Failed to stat stdin: %s%+v%s", ErrorColor, err, DefaultColor)
status <- err
return
}
if info.Mode()&os.ModeNamedPipe != 0 {
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
line := scanner.Text()
instruction, err := ParseInstruction(line)
if err != nil {
log.Printf("Error parsing line: %s'%s'%s, error: %s%+v%s", SourceColor, line, DefaultColor, ErrorColor, err, DefaultColor)
continue
}
output <- instruction
}
if err := scanner.Err(); err != nil {
log.Fatalf("Error reading from stdin: %s%+v%s", ErrorColor, err, DefaultColor)
status <- err
return
}
}
}

View File

@@ -1,52 +0,0 @@
#!/bin/bash
echo "Figuring out the tag..."
TAG=$(git describe --tags --exact-match 2>/dev/null || echo "")
if [ -z "$TAG" ]; then
# Get the latest tag
LATEST_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
# Increment the patch version
IFS='.' read -r -a VERSION_PARTS <<< "$LATEST_TAG"
VERSION_PARTS[2]=$((VERSION_PARTS[2]+1))
TAG="${VERSION_PARTS[0]}.${VERSION_PARTS[1]}.${VERSION_PARTS[2]}"
# Create a new tag
git tag $TAG
git push origin $TAG
fi
echo "Tag: $TAG"
echo "Building the thing..."
sh build.sh
sh install.sh
echo "Creating a release..."
TOKEN="$GITEA_API_KEY"
GITEA="https://git.site.quack-lab.dev"
REPO="dave/synclib"
# Create a release
RELEASE_RESPONSE=$(curl -s -X POST \
-H "Authorization: token $TOKEN" \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-d '{
"tag_name": "'"$TAG"'",
"name": "'"$TAG"'",
"draft": false,
"prerelease": false
}' \
$GITEA/api/v1/repos/$REPO/releases)
# Extract the release ID
echo $RELEASE_RESPONSE
RELEASE_ID=$(echo $RELEASE_RESPONSE | awk -F'"id":' '{print $2+0; exit}')
echo "Release ID: $RELEASE_ID"
echo "Uploading the things..."
curl -X POST \
-H "Authorization: token $TOKEN" \
-F "attachment=@cln.exe" \
"$GITEA/api/v1/repos/$REPO/releases/${RELEASE_ID}/assets?name=cln.exe"
curl -X POST \
-H "Authorization: token $TOKEN" \
-F "attachment=@cln" \
"$GITEA/api/v1/repos/$REPO/releases/${RELEASE_ID}/assets?name=cln"

1
sync Normal file
View File

@@ -0,0 +1 @@
test,testdir/test3

View File

@@ -1,6 +0,0 @@
- source: A/**/*
target: B
- source: A/go.mod
target: B/go.mod
- source: A
target: B/foo

View File

@@ -1,26 +0,0 @@
# Example sync.yaml file
# You can use this format to define symbolic links
# Each link specifies source, target, and optional flags
links:
- source: ~/Documents/config.ini
target: ~/.config/app/config.ini
# This will create a symbolic link, overwriting any existing symlink
force: true
- source: ~/Pictures
target: ~/Documents/Pictures
# This will create a hard link instead of a symbolic link
hard: true
force: true
- source: ~/Scripts/script.sh
target: ~/bin/script.sh
# This will delete a non-symlink file at the target location
# 'delete: true' implies 'force: true'
delete: true
# Alternative format:
# Instead of using the 'links' property, you can define an array directly:
# - source: ~/Documents/config.ini
# target: ~/.config/app/config.ini
# force: true

99
util.go
View File

@@ -2,11 +2,13 @@ package main
import (
"fmt"
"log"
"os"
"path/filepath"
"strings"
"github.com/bmatcuk/doublestar/v4"
"sync"
"sync/atomic"
"time"
)
func IsSymlink(path string) (bool, error) {
@@ -25,25 +27,16 @@ func FileExists(path string) bool {
return err == nil
}
func NormalizePath(input, workdir string) string {
input = filepath.Clean(input)
input = filepath.ToSlash(input)
func NormalizePath(input string) string {
workingdirectory, _ := os.Getwd()
input = strings.ReplaceAll(input, "\\", "/")
input = strings.ReplaceAll(input, "\"", "")
if !filepath.IsAbs(input) {
LogInfo("Input '%s' is not absolute, prepending work dir '%s'", input, workdir)
var err error
input = filepath.Join(workdir, input)
input, err = filepath.Abs(input)
if err != nil {
LogError("Failed to get absolute path for %s: %v", FormatSourcePath(input), err)
return input
}
input = workingdirectory + "/" + input
}
input = filepath.Clean(input)
input = filepath.ToSlash(input)
return input
return filepath.Clean(input)
}
func AreSame(lhs string, rhs string) bool {
@@ -60,7 +53,7 @@ func AreSame(lhs string, rhs string) bool {
}
func ConvertHome(input string) (string, error) {
if strings.HasPrefix(input, "~/") {
if strings.Contains(input, "~") {
homedir, err := os.UserHomeDir()
if err != nil {
return input, fmt.Errorf("unable to convert ~ to user directory with error %+v", err)
@@ -75,24 +68,72 @@ func GetSyncFilesRecursively(input string, output chan string, status chan error
defer close(output)
defer close(status)
workdir, _ := os.Getwd()
input = NormalizePath(input, workdir)
LogInfo("Searching for sync files recursively starting in %s", FormatPathValue(input))
var filesProcessed int32
var foldersProcessed int32
progressTicker := time.NewTicker(200 * time.Millisecond)
defer progressTicker.Stop()
// Use doublestar to find all sync.yml and sync.yaml files recursively
pattern := "**/sync.y*ml"
files, err := doublestar.Glob(os.DirFS(input), pattern)
var wg sync.WaitGroup
var initial sync.Once
wg.Add(1)
directories := make(chan string, 100000)
workerPool := make(chan struct{}, 4000)
directories <- input
go func() {
for {
fmt.Printf("\rFiles processed: %d; Folders processed: %d; Workers: %d; Directory Stack Size: %d;", filesProcessed, foldersProcessed, len(workerPool), len(directories))
<-progressTicker.C
}
}()
log.Printf("%+v", len(workerPool))
go func() {
for directory := range directories {
workerPool <- struct{}{}
wg.Add(1)
go func(directory string) {
atomic.AddInt32(&foldersProcessed, 1)
defer wg.Done()
defer func() { <-workerPool }()
files, err := os.ReadDir(directory)
if err != nil {
LogError("Failed to search for pattern %s: %v", pattern, err)
status <- err
log.Printf("Error reading directory %s: %+v", directory, err)
return
}
for _, file := range files {
fullPath := filepath.Join(input, file)
LogInfo("Found sync file: %s", FormatPathValue(fullPath))
output <- fullPath
// log.Printf("Processing file %s", file.Name())
if file.IsDir() {
directories <- filepath.Join(directory, file.Name())
} else {
// log.Println(file.Name(), DirRegex.MatchString(file.Name()))
if FileRegex.MatchString(file.Name()) {
// log.Printf("Writing")
output <- filepath.Join(directory, file.Name())
}
atomic.AddInt32(&filesProcessed, 1)
}
}
// log.Printf("Done reading directory %s", directory)
LogInfo("Completed recursive search for sync files")
initial.Do(func() {
// Parallelism is very difficult...
time.Sleep(250 * time.Millisecond)
wg.Done()
})
}(directory)
}
}()
// This actually does not go through ALL files sadly...
// It so happens (very often) that we manage to quit between one iteration ending
// And another beginning
// In such a state workgroup is decreased and, before it has a chance to increase, we are done
// What I should do here is only terminate if directories is empty
// ...but how do I do that?
// I might be wrong... Fuck knows...
wg.Wait()
log.Printf("Files processed: %d; Folders processed: %d", filesProcessed, foldersProcessed)
}